/*
 * Copyright (c) 2017, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
 *
 * WSO2 Inc. licenses this file to you under the Apache License,
 * Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package io.siddhi.core.util.config;

import java.util.Map;

/**
 * Siddhi Configuration Manager.
 */
public interface ConfigManager {

    /**
     * Generates Config reader for extensions with specific namespace and name
     *
     * @param namespace Namespace of the extension
     * @param name      Name of the extension
     * @return ConfigReader
     */
    ConfigReader generateConfigReader(String namespace, String name);

    /**
     * Generates hash map of properties for siddhi annotation reference
     *
     * @param name Reference Name
     * @return Hashmap of the properties
     */
    Map<String, String> extractSystemConfigs(String name);

    /**
     * Extracts specific siddhi property in system properties
     *
     * @param name Name of the property
     * @return Value of the property
     */
    String extractProperty(String name);
}
